Walter Rentzsch is a Director at Roland Berger Strategy Consultants, a position held since January 2010. Previously, Walter worked at Saint-Gobain from February 2006 to December 2009, where roles included Key Account Manager and Project Manager. Walter's academic background includes a PhD in Engineering from the University of Cambridge (2002-2006), a Dipl.-Wirt.-Ing from FernUniversität in Hagen (2003-2005), and a Dipl.-Ing. in Materials Science from RWTH Aachen University (1996-2001).